This LA Times op-ed by Harold Meyerson explores the confusing politics of the big-money charter supporters on both the left and right and concludes:
“Charter billionaires have settled on a diagnosis, and a cure, that focuses on the deficiencies of the system’s victims, not the system itself.”
http://www.latimes.com/opinion/op-ed/la-oe-meyerson-billionaire-charters-20170526-story.html